Looking for a prog to write over HDD

    I'm selling my old PC and am looking for a program that writes random nonsense over the unused space on the HDD. I've heard of Eraser but that seems to be a bit hit and miss. Has anyone on here used an alternative?



    Format it?

    Original Poster Banned

    CBA reinstalling XP on to it though. I've cleared my docs off it but just wanted to completely remove all trace.

    I would just find the biggest windows file or something junk, make 100 copies to fill the drive and delete

    Original Poster Banned


    I would just find the biggest windows file or something junk, make 100 … I would just find the biggest windows file or something junk, make 100 copies to fill the drive and delete

    Why didn't I think of that X)

    I'll have a look at that too dcx
    Edited by: "dunfyboy" 20th Apr 2011

    If you want to erase the hard drive completely the best way is probably to use a Linux Live CD, then use /dev/random or /dev/zero to wipe the drive as mentioned here. If you want to keep the OS installed, and you have some restore disks or something, it's probably best to erase the whole drive then reinstall, rather than trying to wipe just the free space, the way file systems work means you can't really do that.


    as above ccleaner as a wipe free space option. Does it 7 times or something daft. No chance of recovery.

    Original Poster Banned

    You know, I've been using ccleaner for years and never even looked into the settings. Just noticed there's even an option to over write 35 times (for the seriously paranoid) but won't it just overwrite the space it's freeing up as opposed to all the free space on the disc?

    Anyway, thanks for all the replies

    No it wipes all free unused space on the drive. You have to check the box in the advanced menu for "wipe free space".

    To give an example of one of the awful suggestions mentioned earlier, a format is not a method of wiping the hard drive. The high level format erases the references to files and not the files themselves. A non-quick format performs the same job but with added checks for faults. Is somebody going to mention a low-level format ......

    I'm also not sure why the "best" way is to use Linux Live CD either. The way file systems work has been purported to prevent overwriting of existing files with random data. I would have thought the way file systems work, it IS possible to overwrite files with random data. How does CamoChris believe file systems work?

    Edited by: "ElliottC" 23rd Apr 2011


    Hammer? Drill?
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